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Oedischia williamsoni
Taxonomy
Oedischia williamsoni was named by Brongniart (1885). Its type specimen is MNHN.F.R51027, an exoskeleton, and it is an impression. Its type locality is Commentry (MNHN Brongniart coll), which is in a Gzhelian lacustrine deltaic shale in the Commentry Shales Formation of France.